56535560

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{17891}}^1$

素因数の和:17981

約数の個数: 32

約数和(自身を含む): 128822400

約数和(自身を除く): 72286840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 17891, 35782, 71564, 89455, 143128, 178910, 357820, 715640, 1413389, 2826778, 5653556, 7066945, 11307112, 14133890, 28267780, 56535560]

約数ペア:

[(1, 56535560), (2, 28267780), (4, 14133890), (5, 11307112), (8, 7066945), (10, 5653556), (20, 2826778), (40, 1413389), (79, 715640), (158, 357820), (316, 178910), (395, 143128), (632, 89455), (790, 71564), (1580, 35782), (3160, 17891)]